Shelf unit



FIG. 1 is a perspective view of a first embodiment of an ornamentaldesign for a shelf unit showing our new design;

FIG. 2 is a front orthographic view thereof;

FIG. 3 is a top orthographic view thereof;

FIG. 4 is a left side orthographic view thereof, the right sideorthographic view being a mirror image;

FIG. 5 is a perspective view thereof, showing the claimed design incombination with environmental subject matter, including a mirror unitand a second shelf unit; and,

FIG. 6 is a perspective view of a second embodiment of our design, whichis identical to the first embodiment except that the shelves arenon-transparent.

The broken line showing of the feet, mitered corners, and the additionalstructure shown in FIG. 5 is included for the purpose of illustratingenvironmental elements only and form no part of the claimed design.

The ornamental design for a shelf unit, as shown and described.